Boom Racing #BR233001R Aluminum Castor Block - 2 Pcs Red for Axial SCX10 Lightweight upgrade instantly enhances overall performance in handling and durability This part replaces the stock plastic castor block which has been known to bend and in some cases break under extreme situations or the inevitable rollover.Once installed, especially with the Boom Racing Aluminum Steering Knuckle (), the steering knuckle is able to swing smoothly which will help the life of the steering servo as well as giving the vehicle greater precision turning. Color: Red Takes 7 to 15 business days by standard airmail shipping. 80% of packages arrive within 10 business days. Most packages ship within 12 hours. Please allow 1 extra day if order is placed during the weekend. Expediated shipping is shipped by DHL or Fedex. Arrives in about than 2-5 days. Major cities will receive orders earlier.